I don't think the flush_dcache_page thing is done almost anywhere in the block/driver level right now.

It isn't and it shouldn't :-)

And we shouldn't be doing io reads to pagecache pages with user mappings anyway normally. direct-io is a different thing.

We are talking about the case where we are bringing in thedata for the first time, on the page cache lookup miss.-To unsubscribe from this list: send the line "unsubscribe linux-kernel" inthe body of a message to majordomo@vger.kernel.orgMore majordomo info at http://vger.kernel.org/majordomo-info.htmlPlease read the FAQ at http://www.tux.org/lkml/